TPS40042
TPS40042 is SYNCHRONOUS BUCK DC-TO-DC CONTROLLER manufactured by Texas Instruments.
FEATURES
- 2 3.0-V to 5.5-V Input
- External Reference required: 0.5 V to 1.5 V
- Output Voltage from REFIN to 90% of VIN
- High-Side Drive for N-Channel FET
- Supports Pre-Biased Outputs
- Adaptive Anti-Cross Conduction Gate Drive
- Fixed switching frequency (600 k Hz) Voltage
Mode Control
- Three Selectable Short Circuit Protection
Levels
- Hiccup Restart from Faults
- Active Low Enable
- Thermal Shutdown Protection at 145°C
- 10-Pin, 3-mm x 3-mm SON (DRC)
APPLICATIONS
- DDR Memory
- Point of Load
- Telemunications
- DC to DC Modules
CONTENTS
Device Ratings
Electrical Characteristics
Device Information
Application Information
Design Examples
Additional References
DESCRIPTION
The TPS40042 DC/DC controller is designed to operate with an input source between a 3.0 V and 5.5 V. To reduce the number of external ponents, a number of operating parameters are fixed internally. The operating frequency for example, is internally set at 600 k Hz. (Continued)
VIN Reference Input Enable
1 REFIN
HDRV 10
2...
